Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU1987GL-10 4D WAGON, 1.8 4, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMSPFI CEC SYSTEM
1987 Subaru GL-10 4D Wagon, 1.8 4, Automatic
SPFI CEC System
1987 Subaru GL-10 4D Wagon, 1.8 4, AutomaticSECTION SPFI CEC System
- Description
- Operation
- Inspection & Adjustments
- Trouble Shooting
- General Information
- Function Modes
- Self-Diagnosis Function
- Fail-Safe Function
- Trouble Codes
- Basic Trouble Shooting Procedures & Memory Mode
- D-Check Mode & Clear Memory Mode
- Ground & Control Unit Power Supply & Ignition Control System
- Fuel Pump Circuit
- Fuel Pump Circuit & Trouble Code 11, Crank Angle Sensor
- Trouble Code 11, Crank Angle Sensor
- Trouble Code 12, Starter Switch
- Trouble Code 13, Crank Angle Sensor
- Trouble Code 14, Fuel Injector
- Trouble Code 21, Coolant THERMOSENSOR
- Trouble Code 23, Airflow Meter
- Trouble Code 24, Air Control Valve
- Trouble Code 31, Throttle Sensor
- Trouble Code 32, Oxygen Sensor
- Trouble Code 33, Speed Sensor
- Trouble Code 34, EGR Solenoid Valve
- Trouble Code 35, Purge Control Solenoid Valve
- Trouble Code 42, Idle Switch
- Trouble Code 45, KICKDOWN Control Relay
- Trouble Code 51, Neutral Switch (Man. Trans.)
- Trouble Code 51, Neutral Switch (Auto. Trans.)
- Trouble Code 61, Parking Switch (Auto. Trans.)
- Wiring Diagrams
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.